package com.example.springblog.mapper;

import com.example.springblog.model.BlogInfo;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;
@Mapper
public interface BlogInfoMapper {
    /**
     * 获取博客列表
     */
    @Select("select * from blog where delete_flag = 0 order by create_time desc")
    List<BlogInfo> queryBlogList();
    /**
     *根据博客id 获取博客详情
     */
    @Select("select * from blog where id = #{id} and delete_flag = 0")
    BlogInfo queryById(Integer id);
    /**
     * 编辑博客
     */
    @Update("update blog set title = #{title}, content = #{content} where id = #{id}")
    Integer update(BlogInfo blogInfo);

    /**
     * 删除博客
     */
    @Update("update blog set delete_flag = 1 where id = #{id}")
    Integer deleteBlog(Integer id);
    /**
     * 添加博客
     */
    @Insert("insert into blog(title,content,user_id) values(#{title}, #{content}, #{userId})")
    Integer insertBlog(BlogInfo blogInfo);

}
